OT: Mazani HDD

[Petr Tomasek]

On Fri, Mar 17, 2006 at 10:48:43AM +0100, Karel Dudasek wrote:
> On Fri, 17 Mar 2006, Michal HW wrote:
> > Prodavam disk a chci ho vymazat - (kazdy byte). Je na to nejaka utilita?
> V linuxu na to mam skript:
> #!/bin/bash
> DEVICE=/dev/hdx
> echo "Budu mazat zarizeni ${DEVICE}, az bude pripraveno stisknete ENTER"
> read a
> for k in 1 2 3
> do
> block=`expr $k \* 32`
> echo "Zapisuji nuly ."`date`"..."
> /bin/dd if=/dev/zero of=${DEVICE} bs=${block}k
> echo "Zapisuji jednicky ."`date`"..."
> /usr/bin/cat /dev/zero | /usr/bin/tr \\000 \\377 | \
> /bin/dd of=${DEVICE} bs=${block}k
> echo "Zapisuji nahodna data ."`date`"..."
> /bin/dd if=/dev/urandom of=${DEVICE} bs=${block}k
> done
> echo "Zapisuji nuly ."`date`"..."
> /bin/dd if=/dev/zero of=${DEVICE} bs=2k
> exit 0
> 
> Velmi dukladny.
>                              Karel Dudasek

Propana, to nestaci "cat /dev/urandom > /dev/hd?" ?
Pripadne nekolikrat po sobe?

P.T.

-- 
Petr Tomasek <http://www.etf.cuni.cz/~tomasek>